Add images, icons, and class files for job management application

target/classes/static/js/login.js

target/classes/templates/applicationpanel.html

target/classes/templates/baseTemplate/base.html

target/classes/templates/baseTemplate/footer.html

target/classes/templates/baseTemplate/head.html

target/classes/templates/baseTemplate/nav.html

target/classes/templates/company/companyBase.html

target/classes/templates/company/companyForm.html

target/classes/templates/company/companyList.html

target/classes/templates/company/companyView.html

target/classes/templates/error.html

target/classes/templates/index.html

target/classes/templates/login.html

.../templates/qualificationLevel/qualificationLevelList.html

target/classes/templates/sector/sectorList.html